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#!/usr/bin/perl
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#======================================================================
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# M E A N P R O F
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# doc: Fri Feb 22 08:40:18 2008
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# dlm: Wed Mar 16 07:02:38 2016
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# (c) 2008 A.M. Thurnherr
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# uE-Info: 14 49 NIL 0 0 72 0 2 4 NIL ofnI
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#======================================================================
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# extract time-averaged mean profile from ADCP data
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# HISTORY:
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# Feb 22, 2008: - created from [listBins]
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# Mar 16, 2016: - adapted to new Getopt library
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# Soundspeed Correction:
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# - applied as described in the RDI coord-trans manual
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# - sound-speed variation over range is ignored (valid for small gradients)
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# => - same simple correction for all velocity components
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# - simple correction for cell depths
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use Getopt::Std;
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$0 =~ m{(.*/)[^/]+};
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require "$1RDI_BB_Read.pl";
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require "$1RDI_Coords.pl";
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require "$1RDI_Utils.pl";
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die("Usage: $0 [-r)ange <first_ens,last_ens>] " .
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"[-Q)uiet (stats only)] " .
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"[-S)oundspeed correction <salin|*,temp|*,depth|*> " .
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"[require -4)-beam solutions] [-d)iscard <beam#>] " .
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"[-%)good <min>] " .
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"[output -b)eam coordinates] " .
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"[-M)agnetic <declination>] " .
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"[-D)epth <depth>] " .
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"<RDI file>\n")
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unless (&getopts("4bd:D:M:p:r:QS:") && @ARGV == 1);
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die("$0: -4 and -d are mutually exclusive\n")
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if ($opt_4 && defined($opt_d));
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die("$0: -p and -b are mutually exclusive\n")
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if ($opt_b && defined($opt_p));
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$opt_p = 0 unless defined($opt_p);
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$RDI_Coords::minValidVels = 4 if ($opt_4); # no 3-beam solutions
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print(STDERR "WARNING: magnetic declination not set!\n")
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unless defined($opt_M) || defined($opt_b);
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$ifn = $ARGV[0];
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($first_ens,$last_ens) = split(',',$opt_r)
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if defined($opt_r);
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($SS_salin,$SS_temp,$SS_depth) = split(',',$opt_S)
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if defined($opt_S);
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die("$0: Cannot do variable soundspeed correction (implementation restriction)\n")
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if ($SS_salin eq '*' || $SS_temp eq '*' || $SS_depth eq '*');
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#----------------------------------------------------------------------
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# Read & Check Data, Transform Velocities
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#----------------------------------------------------------------------
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$P{RDI_file} = $ifn;
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$P{mag_decl} = $opt_M if defined($opt_M);
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print(STDERR "reading $ifn: ");
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readData($ifn,\%dta);
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printf(STDERR "%d complete ensembles.\n",scalar(@{$dta{ENSEMBLE}}));
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$dta{HEADING_BIAS} = -$opt_M; # magnetic declination
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if ($dta{BEAM_COORDINATES}) { # coords
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$beamCoords = 1;
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} else {
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die("$0: -b requires input in beam coordinates\n")
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if ($opt_b);
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die("$ifn: only beam and earth coordinates implemented so far\n")
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if (!$dta{EARTH_COORDINATES});
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}
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for (my($b)=0; $b<$dta{N_BINS}; $b++) { # calc dz
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$dz[$b] = $dta{DISTANCE_TO_BIN1_CENTER} + $b*$dta{BIN_LENGTH};
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}
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$lastGoodBin = 0;
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for ($e=0; $e<=$#{$dta{ENSEMBLE}}; $e++) { # check/transform velocities
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next if (defined($first_ens) &&
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$dta{ENSEMBLE}[$e]->{NUMBER} < $first_ens);
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$P{first_ens} = $dta{ENSEMBLE}[$e]->{NUMBER},$fe = $e
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unless defined($P{first_ens});
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last if (defined($last_ens) &&
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$dta{ENSEMBLE}[$e]->{NUMBER} > $last_ens);
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$P{last_ens} = $dta{ENSEMBLE}[$e]->{NUMBER};
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$le = $e;
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die("3-beams used in ensemble #$dta{ENSEMBLE}[$e]->{NUMBER}\n")
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if ($dta{ENSEMBLE}[$e]->{N_BEAMS_USED} < 4);
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die("BIT error in ensemble $dta{ENSEMBLE}[$e]->{NUMBER}\n")
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if defined($dta{ENSEMBLE}[$e]->{BUILT_IN_TEST_ERROR});
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die("Low gain in ensemble #$dta{ENSEMBLE}[$e]->{NUMBER}\n")
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if ($dta{ENSEMBLE}[$e]->{LOW_GAIN});
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for (my($b)=0; $b<$dta{N_BINS}; $b++) {
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if (defined($opt_d)) {
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undef($dta{ENSEMBLE}[$e]->{PERCENT_GOOD}[$b][$opt_d-1]);
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undef($dta{ENSEMBLE}[$e]->{VELOCITY}[$b][$opt_d-1]);
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}
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for (my($i)=0; $i<4; $i++) {
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if ($dta{ENSEMBLE}[$e]->{PERCENT_GOOD}[$b][$i] < $opt_p) {
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undef($dta{ENSEMBLE}[$e]->{PERCENT_GOOD}[$b][$i]);
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undef($dta{ENSEMBLE}[$e]->{VELOCITY}[$b][$i]);
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}
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}
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@{$dta{ENSEMBLE}[$e]->{VELOCITY}[$b]} = $beamCoords
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? velInstrumentToEarth(\%dta,$e,
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velBeamToInstrument(\%dta,@{$dta{ENSEMBLE}[$e]->{VELOCITY}[$b]})
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)
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: velApplyHdgBias(\%dta,$e,@{$dta{ENSEMBLE}[$e]->{VELOCITY}[$b]})
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unless ($opt_b);
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$sum_corr1[$b] += $dta{ENSEMBLE}[$e]->{CORRELATION}[$b][0];
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$sum_corr2[$b] += $dta{ENSEMBLE}[$e]->{CORRELATION}[$b][1];
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$sum_corr3[$b] += $dta{ENSEMBLE}[$e]->{CORRELATION}[$b][2];
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$sum_corr4[$b] += $dta{ENSEMBLE}[$e]->{CORRELATION}[$b][3];
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$sum_amp1[$b] += $dta{ENSEMBLE}[$e]->{ECHO_AMPLITUDE}[$b][0];
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$sum_amp2[$b] += $dta{ENSEMBLE}[$e]->{ECHO_AMPLITUDE}[$b][1];
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$sum_amp3[$b] += $dta{ENSEMBLE}[$e]->{ECHO_AMPLITUDE}[$b][2];
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$sum_amp4[$b] += $dta{ENSEMBLE}[$e]->{ECHO_AMPLITUDE}[$b][3];
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unless (defined($dta{ENSEMBLE}[$e]->{VELOCITY}[$b][0])) {
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undef(@{$dta{ENSEMBLE}[$e]->{PERCENT_GOOD}[$b]});
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next;
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}
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$dta{ENSEMBLE}[$e]->{THREE_BEAM}[$b] = $RDI_Coords::threeBeamFlag;
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$three_beam[$b] += $RDI_Coords::threeBeamFlag;
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$dta{ENSEMBLE}[$e]->{GOOD_VEL}[$b] = 1;
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$good_vels[$b]++;
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$lastGoodBin = $b if ($b > $lastGoodBin);
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$firstGoodEns = $e unless defined($firstGoodEns);
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$lastGoodEns = $e;
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$sum_u[$b] += $dta{ENSEMBLE}[$e]->{VELOCITY}[$b][0];
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$sum_v[$b] += $dta{ENSEMBLE}[$e]->{VELOCITY}[$b][1];
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$sum_w[$b] += $dta{ENSEMBLE}[$e]->{VELOCITY}[$b][2];
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$sum_e[$b] += $dta{ENSEMBLE}[$e]->{VELOCITY}[$b][3]
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unless ($RDI_Coords::threeBeamFlag);
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$sum_pcg1[$b] += $dta{ENSEMBLE}[$e]->{PERCENT_GOOD}[$b][0];
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$n_pcg1[$b]++ if defined($dta{ENSEMBLE}[$e]->{PERCENT_GOOD}[$b][0]);
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$sum_pcg2[$b] += $dta{ENSEMBLE}[$e]->{PERCENT_GOOD}[$b][1];
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$n_pcg2[$b]++ if defined($dta{ENSEMBLE}[$e]->{PERCENT_GOOD}[$b][1]);
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$sum_pcg3[$b] += $dta{ENSEMBLE}[$e]->{PERCENT_GOOD}[$b][2];
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$n_pcg3[$b]++ if defined($dta{ENSEMBLE}[$e]->{PERCENT_GOOD}[$b][2]);
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$sum_pcg4[$b] += $dta{ENSEMBLE}[$e]->{PERCENT_GOOD}[$b][3];
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$n_pcg4[$b]++ if defined($dta{ENSEMBLE}[$e]->{PERCENT_GOOD}[$b][3]);
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}
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}
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unless (defined($opt_r)) {
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$fe = $firstGoodEns;
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$le = $lastGoodEns;
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}
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$nEns = $le - $fe + 1;
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die("$0: insufficient data\n") if ($nEns < 2);
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$P{N_ensembles} = $nEns;
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$firstBin = 0;
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$lastBin = $lastGoodBin;
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print( STDERR "Start : $dta{ENSEMBLE}[$fe]->{DATE} $dta{ENSEMBLE}[$fe]->{TIME}\n");
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print( STDERR "End : $dta{ENSEMBLE}[$le]->{DATE} $dta{ENSEMBLE}[$le]->{TIME}\n");
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printf(STDERR "Bins : %d-%d\n",$firstBin+1,$lastBin+1);
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printf(STDERR "3-Beam : %d %d %d %d\n",$RDI_Coords::threeBeam_1,
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$RDI_Coords::threeBeam_2,
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$RDI_Coords::threeBeam_3,
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$RDI_Coords::threeBeam_4)
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unless ($opt_b);
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#----------------------------------------------------------------------
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# Calculate Stddevs
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#----------------------------------------------------------------------
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for ($b=0; $b<=$lastGoodBin; $b++) {
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$mean_corr1[$b] = $sum_corr1[$b] / $nEns; $mean_corr2[$b] = $sum_corr2[$b] / $nEns;
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$mean_corr3[$b] = $sum_corr3[$b] / $nEns; $mean_corr4[$b] = $sum_corr4[$b] / $nEns;
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$mean_amp1[$b] = $sum_amp1[$b] / $nEns; $mean_amp2[$b] = $sum_amp2[$b] / $nEns;
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$mean_amp3[$b] = $sum_amp3[$b] / $nEns; $mean_amp4[$b] = $sum_amp4[$b] / $nEns;
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$mean_pcg1[$b] = $sum_pcg1[$b] / $n_pcg1[$b]; $mean_pcg2[$b] = $sum_pcg2[$b] / $n_pcg2[$b];
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$mean_pcg3[$b] = $sum_pcg3[$b] / $n_pcg3[$b]; $mean_pcg4[$b] = $sum_pcg4[$b] / $n_pcg4[$b];
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$mean_u[$b] = $sum_u[$b] / $good_vels[$b]; $mean_v[$b] = $sum_v[$b] / $good_vels[$b];
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$mean_w[$b] = $sum_w[$b] / $good_vels[$b];
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$mean_e[$b] = $sum_e[$b] / ($good_vels[$b] - $three_beam[$b]);
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}
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for ($e=$fe; $e<=$le; $e++) {
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for ($b=0; $b<=$lastGoodBin; $b++) {
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$sumsq_corr1[$b] += ($mean_corr1[$b] - $dta{ENSEMBLE}[$e]->{CORRELATION}[$b][0])**2;
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$sumsq_corr2[$b] += ($mean_corr2[$b] - $dta{ENSEMBLE}[$e]->{CORRELATION}[$b][1])**2;
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$sumsq_corr3[$b] += ($mean_corr3[$b] - $dta{ENSEMBLE}[$e]->{CORRELATION}[$b][2])**2;
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$sumsq_corr4[$b] += ($mean_corr4[$b] - $dta{ENSEMBLE}[$e]->{CORRELATION}[$b][3])**2;
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$sumsq_amp1[$b] += ($mean_amp1[$b] - $dta{ENSEMBLE}[$e]->{ECHO_AMPLITUDE}[$b][0])**2;
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$sumsq_amp2[$b] += ($mean_amp2[$b] - $dta{ENSEMBLE}[$e]->{ECHO_AMPLITUDE}[$b][1])**2;
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$sumsq_amp3[$b] += ($mean_amp3[$b] - $dta{ENSEMBLE}[$e]->{ECHO_AMPLITUDE}[$b][2])**2;
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$sumsq_amp4[$b] += ($mean_amp4[$b] - $dta{ENSEMBLE}[$e]->{ECHO_AMPLITUDE}[$b][3])**2;
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$sumsq_pcg1[$b] += ($mean_pcg1[$b] - $dta{ENSEMBLE}[$e]->{PERCENT_GOOD}[$b][0])**2
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if defined($dta{ENSEMBLE}[$e]->{PERCENT_GOOD}[$b][0]);
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$sumsq_pcg2[$b] += ($mean_pcg2[$b] - $dta{ENSEMBLE}[$e]->{PERCENT_GOOD}[$b][1])**2
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if defined($dta{ENSEMBLE}[$e]->{PERCENT_GOOD}[$b][1]);
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$sumsq_pcg3[$b] += ($mean_pcg3[$b] - $dta{ENSEMBLE}[$e]->{PERCENT_GOOD}[$b][2])**2
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if defined($dta{ENSEMBLE}[$e]->{PERCENT_GOOD}[$b][2]);
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$sumsq_pcg4[$b] += ($mean_pcg4[$b] - $dta{ENSEMBLE}[$e]->{PERCENT_GOOD}[$b][3])**2
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if defined($dta{ENSEMBLE}[$e]->{PERCENT_GOOD}[$b][3]);
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next unless ($dta{ENSEMBLE}[$e]->{GOOD_VEL}[$b]);
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$sumsq_u[$b] += ($mean_u[$b] - $dta{ENSEMBLE}[$e]->{VELOCITY}[$b][0])**2;
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$sumsq_v[$b] += ($mean_v[$b] - $dta{ENSEMBLE}[$e]->{VELOCITY}[$b][1])**2;
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$sumsq_w[$b] += ($mean_w[$b] - $dta{ENSEMBLE}[$e]->{VELOCITY}[$b][2])**2;
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next if ($dta{ENSEMBLE}[$e]->{THREE_BEAM}[$b]);
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$sumsq_e[$b] += ($mean_e[$b] - $dta{ENSEMBLE}[$e]->{VELOCITY}[$b][3])**2;
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}
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}
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for ($b=0; $b<=$lastGoodBin; $b++) {
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$var_corr1[$b] = $sumsq_corr1[$b] / ($nEns-1); $var_corr2[$b] = $sumsq_corr2[$b] / ($nEns-1);
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$var_corr3[$b] = $sumsq_corr3[$b] / ($nEns-1); $var_corr4[$b] = $sumsq_corr4[$b] / ($nEns-1);
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$var_amp1[$b] = $sumsq_amp1[$b] / ($nEns-1); $var_amp2[$b] = $sumsq_amp2[$b] / ($nEns-1);
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$var_amp3[$b] = $sumsq_amp3[$b] / ($nEns-1); $var_amp4[$b] = $sumsq_amp4[$b] / ($nEns-1);
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$var_pcg1[$b] = $sumsq_pcg1[$b] / ($n_pcg1[$b]-1) if ($n_pcg1[$b] > 1);
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$var_pcg2[$b] = $sumsq_pcg2[$b] / ($n_pcg2[$b]-1) if ($n_pcg2[$b] > 1);
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$var_pcg3[$b] = $sumsq_pcg3[$b] / ($n_pcg3[$b]-1) if ($n_pcg3[$b] > 1);
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$var_pcg4[$b] = $sumsq_pcg4[$b] / ($n_pcg4[$b]-1) if ($n_pcg4[$b] > 1);
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next unless ($good_vels[$b] > 1);
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$var_u[$b] = $sumsq_u[$b] / ($good_vels[$b]-1);
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$var_v[$b] = $sumsq_v[$b] / ($good_vels[$b]-1);
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$var_w[$b] = $sumsq_w[$b] / ($good_vels[$b]-1);
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next unless ($good_vels[$b] - $three_beam[$b] > 1);
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$var_e[$b] = $sumsq_e[$b] / ($good_vels[$b] - $three_beam[$b] - 1);
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}
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#----------------------------------------------------------------------
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# Calculate Beam Statistics
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#----------------------------------------------------------------------
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#----------------------------------------------------------------------
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# Produce Output
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#----------------------------------------------------------------------
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unless ($opt_Q) {
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my($ssCorr) = defined($opt_S)
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? ssCorr($dta{ENSEMBLE}[$fe],$SS_salin,$SS_temp,$SS_depth)
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: 1;
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print("#ANTS#PARAMS# ");
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foreach my $k (keys(%P)) {
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print("$k\{$P{$k}\} ");
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}
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printf("soundspeed_correction{%s}",defined($opt_S) ? $opt_S : 'NONE!');
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print("\n");
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print("#ANTS#FIELDS# " .
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"{bin} {dz} " .
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(defined($opt_D) ? "{depth} " : "") .
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($opt_b ? "{v1} {v2} {v3} {v4} " : "{u} {v} {w} {err_vel} ") .
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($opt_b ? "{sig_v1} {sig_v2} {sig_v3} {sig_v4} " : "{sig_u} {sig_v} {sig_w} {sig_err_vel} ") .
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"{corr1} {corr2} {corr3} {corr4} " .
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"{sig_corr1} {sig_corr2} {sig_corr3} {sig_corr4} " .
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"{amp1} {amp2} {amp3} {amp4} " .
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"{sig_amp1} {sig_amp2} {sig_amp3} {sig_amp4} " .
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"{pcg1} {pcg2} {pcg3} {pcg4} " .
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|
280 |
"{sig_pcg1} {sig_pcg2} {sig_pcg3} {sig_pcg4}" .
|
|
281 |
"\n"
|
|
282 |
);
|
|
283 |
|
|
284 |
for ($b=$firstBin; $b<=$lastBin; $b++) {
|
|
285 |
printf("%d %.1f ",$b+1,$dz[$b]*$ssCorr);
|
|
286 |
printf("%.1f ",$opt_D - $dz[$b]*$ssCorr)
|
|
287 |
if defined($opt_D);
|
|
288 |
|
|
289 |
printf("%s ",defined($mean_u[$b]) ? $mean_u[$b] : nan);
|
|
290 |
printf("%s ",defined($mean_v[$b]) ? $mean_v[$b] : nan);
|
|
291 |
printf("%s ",defined($mean_w[$b]) ? $mean_w[$b] : nan);
|
|
292 |
printf("%s ",defined($mean_e[$b]) ? $mean_e[$b] : nan);
|
|
293 |
|
|
294 |
printf("%s ",defined($var_u[$b]) ? sqrt($var_u[$b]) : nan);
|
|
295 |
printf("%s ",defined($var_v[$b]) ? sqrt($var_v[$b]) : nan);
|
|
296 |
printf("%s ",defined($var_w[$b]) ? sqrt($var_w[$b]) : nan);
|
|
297 |
printf("%s ",defined($var_e[$b]) ? sqrt($var_e[$b]) : nan);
|
|
298 |
|
|
299 |
printf("%g %g %g %g ",$mean_corr1[$b],$mean_corr2[$b],
|
|
300 |
$mean_corr3[$b],$mean_corr4[$b]);
|
|
301 |
printf("%g %g %g %g ",sqrt($var_corr1[$b]),sqrt($var_corr2[$b]),
|
|
302 |
sqrt($var_corr3[$b]),sqrt($var_corr4[$b]));
|
|
303 |
|
|
304 |
printf("%g %g %g %g ",$mean_amp1[$b],$mean_amp2[$b],
|
|
305 |
$mean_amp3[$b],$mean_amp4[$b]);
|
|
306 |
printf("%g %g %g %g ",sqrt($var_amp1[$b]),sqrt($var_amp2[$b]),
|
|
307 |
sqrt($var_amp3[$b]),sqrt($var_amp4[$b]));
|
|
308 |
|
|
309 |
if ($good_vels[$b] > 0) {
|
|
310 |
printf("%g %g %g %g ",$mean_pcg1[$b],$mean_pcg2[$b],
|
|
311 |
$mean_pcg3[$b],$mean_pcg4[$b]);
|
|
312 |
printf("%g %g %g %g\n",sqrt($var_pcg1[$b]),sqrt($var_pcg2[$b]),
|
|
313 |
sqrt($var_pcg3[$b]),sqrt($var_pcg4[$b]));
|
|
314 |
} else {
|
|
315 |
print("nan nan nan nan ");
|
|
316 |
print("nan nan nan nan\n");
|
|
317 |
}
|
|
318 |
}
|
|
319 |
}
|
|
320 |
|
|
321 |
exit(0);
|